1.135.1 Instance variables

relation_table <- keys: vector

Vector that describes the column properties. Each element of this vector is one of the names key, unique or data:

key

The column is used to find association vectors (rows), but may have multiple rows with the same value for this column. The table created a chain_table object for fast access to all rows with some specified key value.

unique

Each row in the table has a different value in this column and this column is used for indexing. The table creates a hash_table object for fast access.

data

This column just holds associated data. No (fast) lookup is provided.

relation_table <- names: vector

Names of the columns. Documentation purpose and used by relation_table<-vectors.

relation_table <- tables: vector

The hash_table objects or chain_table objects for fast access on the specified column. See relation_table<-keys.